GLOCK 20SF Gen3 | 10mm | 4.6in | PF2050203

The GLOCK 20SF Gen3 is a short-frame version of Glock’s large-frame 20 pistol chambered in 10mm Auto. It pairs a 4.6-inch cold hammer-forged, polygonal-rifled barrel with fixed sights, a reduced rear frame circumference for improved ergonomics, and two 15-round magazines. The SF (Short Frame) variant is aimed at shooters who want the 10mm power with a slimmer grip profile for better hand fit and control.

Suggested optic: a Trijicon RMR Type 2 red-dot is a robust choice that pairs well with this platform and is available for under $1,000.

Common uses for this pistol include hunting and range/practical shooting where the 10mm cartridge’s performance and a long sight radius are valued.

Product Specifications

• The manufacturer part number is PF2050203.
• The model is 20SF.
• The caliber is 10mm Auto.
• The barrel measures 4.6 inches.
• The standard magazine capacity is 15 rounds.
• The product includes 2 x 15-round magazines.
• The frame material is polymer.
• The slide material is serrated steel.
• The barrel type is cold hammer-forged polygonal rifled.
• The sights are fixed.
• The finish is matte black.
• The frame size is described as short.
• The series is Gen3.
• The pistol includes magazine loader, cleaning kit, pistol case, and gun lock per the supplied contents list.
• The UPC is 764503662034.

The GLOCK 20SF Gen3 blends the cartridge power of 10mm Auto with a reduced rear frame circumference to make the large-frame pistol more accessible for shooters with smaller hands while retaining a long sight radius. Its fixed-sight configuration and durable construction suit extended sessions at the range and field use for hunters who choose semi-automatic platforms.

Many users note that the short frame improves comfort for shooters with smaller hands and makes follow-up shots easier. Owners commonly report enhanced controllability and practical accuracy from the SF configuration.

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